Heat Pump & Ventilation Engineer

JR301: Heat Pump & Ventilation Engineer

Location: London & Home Counties

Salary: £38,000 – £55,000 + company van + overtime + training

Overview:

First Military Recruitment is working in partnership with our reputable client who is seeking an Air Source Heat Pump & MVHR Service / Breakdown Engineer to join their team.

This is a fantastic opportunity for an experienced engineer to work on both domestic and commercial systems across a varied portfolio including social housing, private, and commercial properties. The role offers excellent long-term stability, ongoing training, and clear progression opportunities.

Duties and Responsibilities:

Service and fault-find domestic and commercial air source heat pump (ASHP) systems
Diagnose electrical, hydraulic, and refrigerant-related faults
Check system flow rates, temperatures, and overall performance
Work on associated equipment including buffer vessels, low loss headers, pump sets, and plate heat exchangers
Service, inspect, and maintain MVHR units and ventilation systems
Replace filters and check fans, controls, and condensate drainage
Investigate airflow and system performance issues
Complete service, maintenance, and breakdown reports accurately
Follow RAMS and safe working procedures at all times
Deliver high levels of customer service, particularly in occupied properties
Liaise with internal teams regarding repair recommendations and required works
Skills and Qualifications:
Essential:

NVQ Level 3 in Plumbing & Heating (or equivalent)
F-Gas Category 1
G3 Unvented Hot Water qualification
Heat pump training (manufacturer or accredited)
Strong electrical fault-finding skills
Experience with wet heating systems
Full UK driving licence
Desirable:

MCS experience
BPEC or City & Guilds Heat Pump qualifications
MVHR manufacturer training (e.g. Nuaire, Vent-Axia, Zehnder)
Commercial plant room experience
Experience with BMS fault interrogation